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Homework Help: I NEED HELP AND THANX

  1. Jan 23, 2005 #1
    the starship enterprise wishes to fly a distant glaxy 85 light years away. At what speed would it have to travel in order that the distance tot he galaxy would only be 20 light years....RELAVITY:( ..help if u caaaan thank yous
     
  2. jcsd
  3. Jan 23, 2005 #2
    hmm

    yes this is a rather intriguing question...i would love to see someone answer this one..any takers?
     
  4. Jan 24, 2005 #3
    Have you seen the following formula:
    [tex] l=l_{0}\sqrt{1-(v/c)^2}[/tex]
    You know both lengths and [tex]c[/tex], now just solve for [tex]v[/tex].
     
    Last edited: Jan 24, 2005
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